package com.wanbang.service;

import java.util.List;

import com.wanbang.entities.Goods;
import com.wanbang.entities.ShoppingCar;

public interface ShoppingCarService {
	public List<ShoppingCar> selectShoppingCarByUserId(Integer userId);
	public Goods selelctGoodsByGoodsId(Integer goodsId);
	public Double selectShoppingCarSum(Integer userId);
	
}
